The important stuff you need to know:
Get up to speed quickly. Learn how to install PHP and MySQL, and get them running on both your computer and a remote server.
Gain new techniques. Take advantage of the all-new chapter on integrating PHP with HTML web pages.
Manage your content. Use the file system to access user data, including images and other binary files.
Make it dynamic. Create pages that change with each new viewing.
Build a good database. Use MySQL to store user information and other data.
Keep your site working. Master the tools for fixing things that go wrong.
Control operations. Create an administrative interface to oversee your site.